Fire-alarm.



v A. T. NEWMAN.

FIRE ALARM.. APPLIOATION HLBD J'UN 25,1908.

Patented May 18, 1909.

w ZeZZ,

UNITED STATES PATENT OFFICE.

ALBERT T. NEWMAN, OF GREELEY. KANSAS.

FIRE-ALARM.

specification of Letters Patent.

Patented May 18,19%

Appleation filed :Tune 25, '1908. Serial: No 440.402.

To a-ZZ who-m t may conce'r'n:

Be 1t-known that I, ALBERT TLvNEwM-AN, a.

citizen -ofthe llnited St-zites, residing` at- Gre'eley, in the coi'inty of Anderson and State. of Kansas, have'inventetl 'a' new und useful lmprovementin ireAlarms. of'whic'h the.

Vlvce. Fig. '2 is" a 'longitudiual section. Figzf 3 is a t-ransverse section''n't-he. hne 3-3 of j Fig. 2.

'nwconsti'ucting this device I eniploy zi brass tube] which isiclosetl ut itsv lower end by) a 'ca 2, unii whieh has its .upper eml cut oblique-lT lsol 'that one Vside pifojects :ibmie the other. To the lupwzirdlyprojecting'side of.

V the tube is secuietl byiineans cl' n suitable sci'e'w nn electrical'conductor 3. 4 upper portioii 'of the tube 1`s plac-ed is sec-ure'cl- ,an lelectrical conductor. .fi spring 61s also 'secui'etl to said contluctu'r 5.-

antl extends' downwardly through the block v 4 -antl intothe -lwer-portion "of the-tube..-

l'ithin the Ii t dricalblock 4, preferabl, ofwoocl, to Win-ch4 lThis spring' is' held fromi'ontact Withtlfe brnss tube 1-by -meuns of zl piece of'wx 'the wires 3 zi-ntl, 5 :u'e'of course connected wi`th u battery 'or' other suitable source of electrical w energy and. un suitable alarmv (lvice mi'v ilso be installed in said Circuit.

rfhe operation of the xlevice is us followsis soon :is the teinperzit ure rises beymul z'. cerltain-point-the. hez'iting of the. tube 1 u'ill'inelt.

'thewx 7, an(l'the spring' 6 Will then ('oine. -into contactwitl'i the hrssjtube, :unlthe spring 'ntl' tub'e Will complete' 'the 'Circuit bei tjveen the cont'luctors 3 an'd 5, thus causing operation of 'any lznfni- (le'Yice included; in'- S'aid Circuit,

. laving tlius-fullx (lesci'ibed mjrinvention,

.what I-cleini-as' new and'desii'e to 'secure b Letters Patent is-:f

A device ofthe' kind '(lescribetl .('o'inprising zni'oblit uel cut 'away tube'of contlucting materia a blockofinsulziting nmteifiall'lield 'in thect end of. said' tube, a sp1'in;'=- pnssi ng.

throug'hsaitlIbloi'k 'tn'rl :entiefring the tube, a .WuX-fus'e'nornially'holtling said. spring' out oi contluto'i's connected i, respectively to "the tube,.'1 nd 'to said block, the'-oinluctor'securet'l to t-lielblmk beiiigjn' electrical connection witlhj the spring.

' ALBERT; T. NEWMAN. Witnesses:

J-. P. DEcANNiEsE. C. A. ROHRE'R. 

